DELTA 1 DEB, 21275
Orbit data source: Space-Track
DELTA 1 DEB, 21275 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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21275 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.2 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 DELTA 1 DEB
1 21275U 75052L 25300.36352308 .00000095 00000-0 21299-3 0 9996
2 21275 99.8814 204.2884 0034365 34.9972 76.1012 13.51852258700814Epoch: 2025-10-27T08:43Z
TLE epoch observation values (Epoch: 2025-10-27T08:43:28.394Z)
Latitude
66.53736°
Longitude
-119.01383°
Altitude
1,070.807 km
Speed
7.326 km/s
True Right ascension
03h 11m 17s
True Declination
66° 25' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
11:06:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,088.33 km
Perigee altitude
1,037.189 km
Semi-major axis
7,440.897 km
Eccentricity
0.00344
Inclination
99.8814°
RAAN
204.2884°
Arg. of periapsis
34.9972°
True anomaly
76.48386°
Mean anomaly
76.1012°
Eccentric anomaly
76.29249°
Mean motion
3.38147 °/min
Orbital period
106.46 mins
BSTAR
0.00021299
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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.DELTA 1 DEB Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-10-27 17:10:02.753Z | 147.144° SSE | 2025-10-27 17:16:02.753Z | 63.724° ENE | 40.861° | 2025-10-27 17:22:02.753Z | 352.686° N |
| 7 mins | 2025-10-27 18:58:02.753Z | 229.914° WSW | 2025-10-27 19:01:02.753Z | 263.666° W | 20.032° | 2025-10-27 19:05:02.753Z | 307.855° NW |
| 11 mins | 2025-10-28 06:06:02.753Z | 30.578° NE | 2025-10-28 06:11:02.753Z | 98.946° ESE | 37.052° | 2025-10-28 06:17:02.753Z | 173.333° S |
| 9 mins | 2025-10-28 07:52:02.753Z | 343.316° N | 2025-10-28 07:56:02.753Z | 292.849° NW | 25.909° | 2025-10-28 08:01:02.753Z | 241.399° WSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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